This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why are lahars so dangerous? A) They are the hottest of all lava flows. B) They contain deadly ... (Read 30 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jul 16, 2018
Why are lahars so dangerous?
 
  A) They are the hottest of all lava flows.
  B) They contain deadly chemicals.
  C) Hot pyroclastic fragments melt ice and snow; this mixture flows extremely fast.
  D) They are the most explosive of all volcanic eruptions.

Question 2

Which of the following causes the formation of large crystals such as pegmatite?
 
  A) high fluid content of magma
  B) high heavy metal content of magma
  C) high silica content of magma
  D) high solidification factor of magma


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

scrocafella

  • Sr. Member
  • ****
  • Posts: 346
Reply #1 on: Jul 16, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A


tuffie

  • Member
  • Posts: 534
Reply 2 on: Jul 16, 2018
Wow, this really help

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Rocks are the most common geosphere materials, and can be fun, dangerous, beauti Rocks are the most common geosphere materials, and can be fun, dangerous, beauti
A child suffering from malaria, one of the most common and deadly infectious diseases. A child suffering from malaria, one of the most common and deadly infectious diseases.
Deadly Plants Deadly Plants
A typical engine oil cooler. Engine coolant flows through the cooler adjuster that fits between the ... A typical engine oil cooler. Engine coolant flows through the cooler adjuster that fits between the ...
Tobacco smoke and radon are the most dangerous indoor pollutants in the industrialized world Tobacco smoke and radon are the most dangerous indoor pollutants in the industrialized world
Mixing alcohol with caffeinated energy drinks can have dangerous consequences Mixing alcohol with caffeinated energy drinks can have dangerous consequences
Video: Burn Animation

For a complete list of videos, visit our video library